package cn.wangsy.zhidao;

public class Reference {

	public static void main(String[]args){
		Reference t = new Reference();
		t.first();	
	}
	
	public void first(){
		int i = 5;
		Value v = new Value();
		v.i = 25;
		second(v,i);
		System.out.println(v.i);
	}
	
	public void second(Value v,int i){
		i = 0;
		v.i = 20;
		Value val = new Value();
		v = val;
		System.out.println(v.i+""+i);
	}
	
}
